You searched for: Subject Aggregates (Building materials) Remove constraint Subject: Aggregates (Building materials) Place Washington (D.C.) Remove constraint Place: Washington (D.C.) Data type Point Remove constraint Data type: Point Year 2001 Remove constraint Year: 2001
2001. Geological Survey (U.S.) Minerals Information Team. This point shapefile represents locations of crushed stone operations in the United States. These data were obtained from information reported volu... National Atlas of the United States.